<!DOCTYPE html>
<html class="reftest-wait">
<head>
  <title>CSS Grid: Test grid-template-columns interpolation</title>
  <link rel="help" href="https://drafts.csswg.org/css-grid/#track-sizing">
  <link rel="match" href="../../../../../expected/wpt-import/css/css-grid/animation/grid-template-columns-001-ref.html">
  <meta name="assert" content="The grid-template-columns property should have
                               correct interpolation result.">
  <style>
    @keyframes anim {
      from {
        grid-template-columns: 20px 1fr;
      }
      to {
        grid-template-columns: 100px 1fr;
      }
    }
    .grid {
      display: grid;
      width: 400px;
      grid-gap: 10px;
      animation: anim 10s -5s paused linear;
    }
    span { border: 1px solid; }
  </style>
</head>
<body>
  <div class="grid">
    <span>column1</span>
    <span>column2</span>
  </div>
</body>
<script>
  requestAnimationFrame(() => {
    document.documentElement.classList.remove('reftest-wait');
  });
</script>
</html>
